CN202787249U - Gobi desert spiral ground pile - Google Patents
Gobi desert spiral ground pile Download PDFInfo
- Publication number
- CN202787249U CN202787249U CN 201220461251 CN201220461251U CN202787249U CN 202787249 U CN202787249 U CN 202787249U CN 201220461251 CN201220461251 CN 201220461251 CN 201220461251 U CN201220461251 U CN 201220461251U CN 202787249 U CN202787249 U CN 202787249U
- Authority
- CN
- China
- Prior art keywords
- plectrum
- pile
- gobi desert
- spiral ground
- pile body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to a tool in the field of construction, in particular to a spiral ground pile which is applied to gobi desert landform hard soil geological places and other geological places with more gravels. The gobi desert spiral ground pile comprises a pile body, wherein one end of the pile body is an external connecting end, and the other end of the pile body is a rotary bit end; screw blades are arranged on the outer circumferential surface of the pile body; the rotary bit end comprises a drill bit body which is positioned in the center of the end; and a plurality of tilted dialing sheets are arranged on the outer side of the drill bit body and deflect towards the same direction. The utility model also provides a gobi desert spiral ground pile which can effectively loosen large particles containing angular gravels, round gravels and the like, has strong propulsive force and loosening force, is convenient to plunge into gobi desert landforms with more gravels and is low in energy consumption; and by the gobi desert spiral ground pile, the technical problems that the ground pile in the prior art is only suitable for ordinary soil, high in energy consumption and insufficient in strength are solved.
Description
Technical field
The utility model relates to the instrument in a kind of construction field, relates in particular to a kind of hard geology of gravel more Gobi desert landforms, soil property and spiral ground pile of other geology of being applied in.
Background technology
The application of the central pile of engineering construction is very large, and it is widely used in many fields such as building construction, railway engineering, rural guardrail net.Pile is building load-bearing and firm key.Existing pile is underground in order to be embedded in, and general bottom all is taper, and the above is provided with continuous flight.Underground for screw pile is inserted, this screw pile is rotated and presses downwards, this so that flight nip underground and be screwed into underground.In case screw pile is inserted into underground, will be distributed to the soil that is arranged in below this flight from flight by the weight of screw pile carrying.Flight can prevent effectively that also spiral ground pile is by pulling up in the soil layer.Disclosed patent document has Chinese patent in existing technology: " Gobi desert spiral ground pile (CN102493442A) ", comprise the tubulose pile body, pointed cone section is formed on tubulose pile body bottom, pointed cone section has 2 to 8 top-down cutting crest lines, described tubulose pile body top is provided with a plurality of holes far away, at least one outside, hole far away is welded with nut, and described tubulose pile body is provided with helical blade.Pointed cone section just penetrates in the soil layer easily, but itself does not possess developing power, and this structure is not very applicable for the hard geology of gravel more Gobi desert landforms, soil property.
Summary of the invention
The utility model also provides a kind of bulky grain things such as containing dust, circle gravel that can effectively become flexible, and has preferably propulsive force and loosening power, makes things convenient for pile to penetrate the more Gobi desert landforms of gravel, the Gobi desert spiral ground pile that energy consumption is little; Solved the pile that exists in the prior art and just be applicable to ordinary soil, energy consumption is high, the technical problem of insufficient strength.
The utility model also provides a kind of pile body fixation simultaneously, and the underground frictional force of pile body is large, the spiral ground pile of good stability; Solved the fixing inadequate technical problem of firmness of pile body that exists in the prior art.
Above-mentioned technical problem of the present utility model solves by following technical proposals: the Gobi desert spiral ground pile, it is characterized in that: comprise a pile body, one end of pile body is external connection end, the other end of pile body is the rotary drilling head end, external peripheral surface at pile body is provided with helical blade, described rotary drilling head end comprises the bit body that is positioned at the center, end, is provided with the plectrum of a plurality of inclinations in the outside of bit body, and a plurality of plectrums are to same direction deflection.A plurality of plectrums of deflection form a similar screw in the same way, help bit body to stretch in soil layer.External connection end at pile body is connected with screw pile machine, the rotation of drive pile body, and bit body and plectrum are installed in the end of pile body, bit body bores soil layer and opens, play the effect of developing, and the plectrum that is positioned at the bit body periphery forms the principle of a similar screw, to the dust that contains in the soil layer, the less disturbance of carrying out of the bulky grain things such as circle gravel, make it loosening each other, the screw-in of being convenient to follow-up helical blade is dodged, make it when helical blade enters, produce certain dodging, make helical blade enter smoothly soil layer, obstruction itself does not produce destruction simultaneously, is fitted in helical blade and pile body periphery, stronger frictional resistance is provided itself for stake, improves the resistance to plucking mill resistance of stake itself.The design of pile body end is to provide enough intensity to the disturbance of soil layer gravel, but squeeze and destroy gravel not.Pile body is extension and the reinforcement of helical blade, can bear more high pulling torque and resistance, for entering of follow-up helical blade carried out pre-pine.If adopt common circular cone to bore or the prismatic drill bit, intensity can be higher, destroys but can produce gravel itself, affects last frictional resistance.Increased simultaneously energy consumption.And utilize the cooperation of bit body and plectrum just to avoid the problem of this respect fully.
The shape of bit body can be the mechanism of taper shape or polygon pyramid etc. upper end point, as preferably, described bit body is the isosceles triangle blade, bit body is positioned at the central axis of pile body on cutting plane, the base of triangle bit body is fixed on the end face of pile body, and the base length of triangle bit body is greater than the diameter of pile body.The bottom of the plectrum in the bit body outside and the bottom of bit body all are welded on the end face of pile body, because drill bit only is loosening to soil layer or hard obstruction, so makes sheet and can meet the demands fully.Bit body is leg-of-mutton sheet, provides enough fixed spaces to plectrum, and the root intensity of bit body has also been strengthened in the simultaneously existence of plectrum, the effect of the plectrum by the outside, reduce the resistance of bit body, thus only bit body need to be made leg-of-mutton sheet, and need not taper shape etc.The vane stress of isosceles triangle is even, and is simple in structure.
The quantity of plectrum can determine according to diameter and the required fixing soil layer situation of pile body.As preferably, described plectrum is two, the symmetrical both sides that are positioned at bit body, and plectrum is up-narrow and down-wide structure, and the base line of described two plectrums passes the end face center line of pile body.The egative film line of plectrum and the base right-angled intersection of bit body, the symmetrical both sides that are positioned at bit body form spiral power, can effectively help bit body to stretch into downwards, can effectively become flexible soil layer.Improve simultaneously the intensity of pile body end, improve penetration performance.
As preferably, described plectrum comprises the section of stirring, linkage section and canned paragraph, the section of stirring and canned paragraph are rectangle, linkage section is right-angled trapezium, the upper base of linkage section is with to stir segment length identical, and the bottom of linkage section is identical with canned paragraph length, and a wherein side of plectrum is straight line, another side is zig zag plane, and the zig zag plane of plectrum is towards bit body one side.The upper end of plectrum is little, the lower end is large, the free-ended space of bit body and plectrum forms a similar conveyor screw, plectrum is equivalent to two stirring sheets, the section of stirring mainly is responsible for digging downwards with bit body, and linkage section forms the power of a spiral, promote integral body downwards, and canned paragraph improves plectrum intensity.
As preferably, the deflection angle between the center line of described plectrum and pile body is 30 ° ~ 60 °.To generation extraction power upwards such as gravel soil layers, the motion of complying with helical blade, according to the hardness of gravel, resistance more mitre is less.
As preferably, described helical blade has two, and the distance between two helical blades is less than or equal to 500mm, and the pitch of helical blade is 100mm ~ 160mm.Because be applied in the gravel soil property, the design of spacing and pitch, raising frictional force that can be larger increases spiral thrust, effectively dodges the gravel transferred to by plectrum etc., prolongs the application life of pile body, has reduced energy consumption, has improved stability.
As preferably, the original position of described helical blade is positioned at the joint, end of plectrum and pile body.The spiral torsion that plectrum forms continues to extend by helical blade, forms the inertia continuity of a spiral, enters in the soil layer so that helical blade is easier, screws in to continue to stir gravel etc. by helical blade, is fixed in the soil layer so that pile body is easier.Increase frictional force in the soil layer, prevent that pile is pulled out and also allow helical blade be fixed on simultaneously.
As preferably, the diameter of described helical blade is greater than the tactical diameter of plectrum, and the diameter of helical blade is greater than the tactical diameter of bit body.The revolving body that the bit body of pile body end and blade form can effectively be fixed on pile body in the soil layer greater than the diameter of pile body.The tactical diameter of helical blade is larger, can improve frictional force, increases stability.
Therefore, Gobi desert spiral ground pile of the present utility model possesses following advantage: this spiral ground pile mainly is applicable to the more hard geology of Gobi desert landforms, soil property of gravel, utilize the cooperation of bit body and plectrum, can play soil layer good looseningly and stir, required energy consumption is little; The design of plectrum makes gravel comply with the blade generation and moves, and blade is screwed in, and do not destroy gravel itself, so that helical blade contacts closely with gravel, has maximum frictional resistance; It is larger at pile body two blade pitghs to be set, and pitch is little, has improved the frictional force of grabbing attached soil layer of pile body, can effectively dodge stone simultaneously, prevents that helical blade is damaged, improves application life.
Description of drawings
Fig. 1 is the schematic perspective view of Gobi desert spiral ground pile of the present utility model.
Front view in Fig. 2 Fig. 1.
Top view in Fig. 3 Fig. 1.
Fig. 4 is the left view of the amplification of Fig. 1.
Fig. 5 is the right view of the amplification of Fig. 1.
Fig. 6 is the front view that the bit body in Fig. 1 amplifies.
Fig. 7 is the front view that the plectrum in Fig. 1 amplifies.
The specific embodiment
Below by embodiment, the technical scheme of utility model is described in further detail.
Embodiment:
Shown in Fig. 1 or 2 or 3, comprise pile body 2, be the external connection end that links to each other with the screw pile machine of outside at an end of pile body 2, be welded with nut 1 on the external connection end, be the rotary drilling head end at the other end of pile body 2, the rotary drilling head end comprises bit body 5 and two plectrums 4 of sheet.External peripheral surface at pile body 2 is welded with the identical helical blade 3 of two structures of L=300mm apart, and the pitch of each helical blade 3 is 150mm.
Shown in Figure 4 and 5, the bit body 5 of rotary drilling head end is the sheet drill bit (as shown in Figure 6) of an isoceles triangle shape, the base of bit body 5 is vertically welded on the end face of pile body 2, and base 9 is positioned on the axial cutting plane of pile body 2, the base center line of bit body 5 and the central lines of pile body 2.Respectively be welded with a plectrum 4 on the both sides of bit body 5, plectrum 4 leads on the end face that is welded on pile body 2 of inclination of deflection.Plectrum 4 comprises the section of stirring 6, linkage section 7 and canned paragraph 8, the section of stirring 6 and canned paragraph 8 are rectangle, linkage section 7 is right-angled trapezium, the upper base of linkage section 7 is identical with the section of stirring 6 length, the bottom of linkage section 7 is identical with canned paragraph 8 length, a wherein side of plectrum 4 is straight line, and another side is zig zag plane, and the zig zag plane of plectrum 4 is towards bit body 5 one sides (as shown in Figure 7).The base of canned paragraph 8 is welded on the end of pile body 2, and the inner side edge of canned paragraph 8 is welded on the bit body 5.Angle α between the center line of plectrum 4 and pile body 2 is 45 °.Because the section of stirring 6 right-angled trapezium, between its inner side edge and the bit body 5 space is arranged, and the base length of the section of stirring 6 is identical with the upper base edge lengths of the section of stirring 6, therefore separate with the upper part of bit body 5 at plectrum 4, and plectrum 4 tilts to be welded on the bit body 5, thereby when selecting under the drive of pile body 2 in screw pile machine, so that the structure of a similar spiral is formed at the top of plectrum 4 and bit body 5.Be positioned at the joint, end of plectrum and pile body near the initiating terminal of the helical blade 3 of rotary drilling-head body, at the rotary drilling-head body under screw pile machine drives during spiral rotating, revolving force after pile body enters soil layer, the spiral power of its helical blade 3 continuation terminations.The diameter of helical blade 3 is D, and the tactical diameter of plectrum 4 is d1, and the tactical diameter of bit body 5 is d2.The diameter of helical blade 3 is greater than the tactical diameter of plectrum 4, and the diameter of helical blade 3 is greater than the tactical diameter of bit body 5.
During use, this spiral ground pile mainly is applicable to the more hard geology of Gobi desert landforms, soil property of gravel.The external connection end of pile body is connected with screw pile machine, under the drive of screw pile machine, and bit body and plectrum synchronous rotary, plectrum plays the disturbance to gravel, makes gravel comply with the blade generation and moves, and helical blade is screwed in.The helical blade of large spacing fine pitch improves the frictional force of the rear pile body that buries and to the property dodged of gravel, stability and the application life of improving pile body.
Claims (10)
1. Gobi desert spiral ground pile, it is characterized in that: comprise a pile body, one end of pile body is external connection end, the other end of pile body is the rotary drilling head end, external peripheral surface at pile body is provided with helical blade, described rotary drilling head end comprises the bit body that is positioned at the center, end, is provided with the plectrum of a plurality of inclinations in the outside of bit body, and a plurality of plectrums are to same direction deflection.
2. Gobi desert spiral ground pile according to claim 1, it is characterized in that: described bit body is the isosceles triangle blade, bit body is positioned at the central axis of pile body on cutting plane, the base of triangle bit body is fixed on the end face of pile body, and the base length of triangle bit body is greater than the diameter of pile body.
3. Gobi desert spiral ground pile according to claim 1 and 2, it is characterized in that: described plectrum is two, the symmetrical both sides that are positioned at bit body, plectrum is up-narrow and down-wide structure, and the base line of described two plectrums passes the end face center line of pile body.
4. Gobi desert spiral ground pile according to claim 1 and 2, it is characterized in that: described plectrum comprises the section of stirring, linkage section and canned paragraph, the section of stirring and canned paragraph are rectangle, linkage section is right-angled trapezium, the upper base of linkage section is with to stir segment length identical, and the bottom of linkage section is identical with canned paragraph length, and a wherein side of plectrum is straight line, another side is zig zag plane, and the zig zag plane of plectrum is towards bit body one side.
5. Gobi desert spiral ground pile according to claim 3, it is characterized in that: described plectrum comprises the section of stirring, linkage section and canned paragraph, the section of stirring and canned paragraph are rectangle, linkage section is right-angled trapezium, the upper base of linkage section is with to stir segment length identical, and the bottom of linkage section is identical with canned paragraph length, and a wherein side of plectrum is straight line, another side is zig zag plane, and the zig zag plane of plectrum is towards bit body one side.
6. Gobi desert spiral ground pile according to claim 1 and 2, it is characterized in that: the deflection angle between the center line of described plectrum and pile body is 30 ° ~ 60 °.
7. Gobi desert spiral ground pile according to claim 1 and 2, it is characterized in that: described helical blade has two, and the distance between two helical blades is less than or equal to 500mm, and the pitch of helical blade is 100mm ~ 160mm.
8. Gobi desert spiral ground pile according to claim 1 and 2, it is characterized in that: the original position of described helical blade is positioned at the joint, end of plectrum and pile body.
9. Gobi desert spiral ground pile according to claim 7 is characterized in that: the joint, end that is positioned at plectrum and pile body near the original position of the helical blade of pile body end.
10. Gobi desert spiral ground pile according to claim 1 and 2, it is characterized in that: the diameter of described helical blade is greater than the tactical diameter of plectrum, and the diameter of helical blade is greater than the tactical diameter of bit body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220461251 CN202787249U (en) | 2012-09-12 | 2012-09-12 | Gobi desert spiral ground pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220461251 CN202787249U (en) | 2012-09-12 | 2012-09-12 | Gobi desert spiral ground pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202787249U true CN202787249U (en) | 2013-03-13 |
Family
ID=47814531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220461251 Expired - Fee Related CN202787249U (en) | 2012-09-12 | 2012-09-12 | Gobi desert spiral ground pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202787249U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864776A (en) * | 2012-09-12 | 2013-01-09 | 杭州宝毅科技有限公司 | Spiral ground pile |
| CN105089507A (en) * | 2015-09-01 | 2015-11-25 | 华南农业大学 | Efficient soil breaking drill bit |
-
2012
- 2012-09-12 CN CN 201220461251 patent/CN202787249U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864776A (en) * | 2012-09-12 | 2013-01-09 | 杭州宝毅科技有限公司 | Spiral ground pile |
| CN102864776B (en) * | 2012-09-12 | 2015-04-01 | 杭州宝毅科技有限公司 | Spiral ground pile |
| CN105089507A (en) * | 2015-09-01 | 2015-11-25 | 华南农业大学 | Efficient soil breaking drill bit |
| CN105089507B (en) * | 2015-09-01 | 2017-12-26 | 华南农业大学 | A kind of drill bit that efficiently breaks ground |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9598831B2 (en) | Helical screw pile | |
| CN201172818Y (en) | Pile of twist drill | |
| US20110229272A1 (en) | Drill tip for foundation pile | |
| CN1904307B (en) | Improved structure of spiral anger and profiled semi screw pole body | |
| CN211646449U (en) | Combined single-pile foundation of offshore wind turbine | |
| CN202787249U (en) | Gobi desert spiral ground pile | |
| US8721226B2 (en) | Helical rock tip | |
| CN212688995U (en) | Rotary pile raft type apron board foundation | |
| CN201236338Y (en) | Conical metal ground pile | |
| CN102864776B (en) | Spiral ground pile | |
| CN211898461U (en) | Fixed protection network laying device of civil construction side slope | |
| CN103104197A (en) | Diameter-variable drill bit | |
| AU2018333273A1 (en) | A pile | |
| CN101289856A (en) | Tapered metal pile and construction method for installation thereof | |
| JP2001214440A (en) | Threaded type steel pipe pile and method for constructing the same | |
| CN108589716A (en) | Reaming slip casting screw pile, pile foundation and pile construction method | |
| CN201763243U (en) | Three-layer rock-socketed cylindrical drill for rotary drilling rig | |
| CN107524139B (en) | A kind of assembled steel pipe concrete-pile | |
| CN212406593U (en) | Rotary digging bamboo joint pile construction device | |
| CN212294728U (en) | Pile foundation structure is revolved to jacket | |
| CN201763242U (en) | Non-core cylindrical rock drill equipped with sawteeth at bottom | |
| KR102130108B1 (en) | Helical pile | |
| CN111364496A (en) | Jacket spinning pile foundation structure and construction method thereof | |
| KR101212400B1 (en) | Spiral steel pipe pile construction device for workability improvement and partial recycling and method thereof | |
| CN201763248U (en) | Double-cone double spiral bit for rotary drill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anyang Bao Yi Science and Technology Ltd. Assignor: Hangzhou Baoyi Technology Co.,Ltd. Contract record no.: 2014410000055 Denomination of utility model: Gobi desert spiral ground pile Granted publication date: 20130313 License type: Exclusive License Record date: 20140630 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150912 |
|
| EXPY | Termination of patent right or utility model |